an introductory expression of surprise, disagreement, indignation, etc: why, don't be silly! Etymology: Old English hwī; related to Old Norse hvī, Gothic hveileiks what kind of, Latin quī

Why definition: For what purpose, reason, or cause; with what intention, justification, or motive.

Definition of why adverb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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When we ask for reasons in speaking, we can use the phrase why is that? In informal conversations we often say why’s that?: …

Lady Constance was in high spirits, and why not? Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.

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